|
Material elements |
C |
Mn |
P |
S |
SI |
Cr |
NI |
Mo |
Cu |
N |
|
4130 |
0.33 |
0.7 |
<0.025 |
<0.025 |
<0.35 |
0.8-1.0 |
<0.5 |
0.15-0.25 |
/ |
/ |
|
A182 F51 |
≤ 0.030 |
2.0 |
≤ 0.030 |
≤ 0.020 |
<0.80 |
21-23 |
4.5-6.5 |
2.50-3.50 |
/ |
0.20-0.24 |
|
A105 |
0.19-0.23 |
0.9-1.05 |
≤ 0.035 |
≤ 0.030 |
0.15-0.3 |
≤ 0.1 |
≤ 0.4 |
≤ 0.12 |
≤ 0.4 |
/ |
|
LF2 |
0.19-0.23 |
0.9-1.05 |
≤ 0.035 |
≤ 0.030 |
0.15-0.3 |
≤ 0.1 |
≤ 0.4 |
≤ 0.12 |
≤ 0.4 |
/ |
|
42CrMo4 |
0.43 |
1.0 |
<0.030 |
<0.040 |
<0.35 |
0.8-1.1 |
<0.030 |
0.15-0.25 |
/ |
/ |
|
C45 |
0.42-0.50 |
0.5-0.8 |
≤ 0.035 |
≤ 0.035 |
0.17-0.37 |
≤ 0.25 |
<0.5 |
/ |
≤ 0.30 |
/ |
| Mechanical property | Dia.(mm) | TS/Rm (Mpa) | YS/Rp0.2 (Mpa) | EL/A5 (%) | RA/Z (%) | Notch | Impact energy | HBW |
| 4130 | Ф10 | ＞655 | ＞517 | ＞18 | ＞35 | V | ≥20J(-60℃) | 197-23 |
| A182 F51 | / | ≥620 | ≥450 | ≥25 | ＞45 | V | ≥45J | / |
| A105 | / | ≥485 | ≥250 | ≥22 | ≥30 | V | / | 143-187 |
| LF2 | / | 485-655 | ≥250 | ≥22 | ≥30 | V | ≥27J(-29℃) | 143-187 |
| 42CrMo4 | Ф10 | ＞1080 | ＞930 | ＞25 | ＞45 | V | ≥25J(-60℃) |
<217 |
| C45 | Ф12.5 | ≥540 | ≥240 | ≥16 | / | V | / |
/ |